This sounds like a cool feature… Make sure to take a look at the Mike Cope Blog to learn more about it. http://blog.hurco.com/importing-stl-file-as-stock-geometry-in-winmax
Keep a lookout for the announcement of the release of the newest Winmax Software with STL file import and the capability to program from a Solid Model on the HURCO control or the Desktop version of Winmax.